Aug 7, 2008
Physics test sheet UMPTN 1985 - Learn Sound
Sound is what can be perceived by a living organism through its sense of hearing.[1] Physically, sound is vibrational mechanical energy that propagates through matter as a wave, The Nature of a Sound Wave can divided into
a. Sound is a Mechanical Wave
b. Sound is a Longitudinal Wave
c. Sound is a Pressure Wave
For humans, hearing is limited to frequencies between about 20 Hz and 20000 Hz
mechanical wave and electrical wave is different, Electromagnetic waves are waves which have an electric and magnetic nature and are capable of traveling through a vacuum. Electromagnetic waves do not require a medium in order to transport their energy. Mechanical waves are waves which require a medium in order to transport their energy from one location to another.
about the exam practice, Physics test sheet UMPTN 1984 have 35 number of problems, begin with sound, wave and frequency then, at number 7 you must finish about color problems. the various newtons law also ready to solve. download this soal at link below
remember that file format is pdf
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